abootimg from openSUSE:12.2:ARM:Contrib:Tegra project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:12.2:ARM:Contrib:Tegra/standard/openSUSE:12.2:ARM:Contrib:Tegra.repo zypper refresh zypper install abootimg